#define inv_width 18
#define inv_height 13
static unsigned char inv_bits[] = {
   0x0c, 0x04, 0x00, 0x0f, 0x06, 0x00, 0x0c, 0x02, 0x00, 0x0c, 0x03, 0x00,
   0x0c, 0x01, 0x00, 0x8c, 0x19, 0x03, 0x8c, 0xb0, 0x02, 0xcc, 0x70, 0x00,
   0x40, 0x60, 0x00, 0x60, 0x60, 0x00, 0x20, 0xf0, 0x00, 0x30, 0xd4, 0x02,
   0x10, 0x8c, 0x01};

